Becoming a proficient Java developer requires a mix of technical and soft skills. Here’s a comprehensive list of the key skills needed:
1. Core Java skills
Java developers require a basic understanding of core concepts like:
Object-Oriented Programming: OOP, as it is known, is a programming model that organises software around data and objects instead of logic. This basic Java skill combines objects and enhances the security and stability of a code.
Design patterns: These are programs that help find a solution to frequently occurring problems during coding. Java developers need to familiarise themselves with the three categories of design patterns.
2. Java EE components
Java EE (Enterprise Edition) has many components. A Java developer requires a good understanding of how to compose server-side applications using EE components. Some of the important components are Java Beans, Java Server Pages and Servlets.
3. Big data
Developers prefer Java as it is one of the best languages to learn Big Data. Hadoop and HDFS are written in Java. Developers have used Java in building many ETL applications like Apache Kafka and Apache Camel, which are useful for data extraction and loading. Good knowledge of Java helps in working with Big Data.
4. Frameworks and Libraries:
Spring Framework: Including Spring Boot, Spring MVC, Spring Data, and Spring Security for building robust applications.
Hibernate or JPA: For Object-Relational Mapping (ORM) and database interaction.
5.Web Technologies:
Frontend Basics: HTML, CSS, JavaScript for basic web development.
JSP/Servlets: JavaServer Pages and Servlets for building dynamic web applications.
Web Services: Creating and consuming RESTful and SOAP web services.
Web Servers: Knowledge of servers like Apache Tomcat or Jetty.
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